Hello every body,

I am trying for last one day to resolve the following problem. I will be very grateful if some one help me. I am using jsf,service layer, businesslayer,data access object layer


*************login.jsp**********

<html>
<head>
<title>enter your name page</title>
</head>
<body>
<f:view>
<h1>
<h:outputText value="Welcome Welcome"/>
</h1>
<h:form id="helloForm">
<h:outputText value="User ID:"/>
<h:inputText id="userid" value="#{user.userBean.id}" />
<h:outputText value="User Name:"/>
<h:inputText id="userName" value="#{user.userBean.userName}" />
<h:outputText value="Password:"/>
<h:inputText id="userPassword" value="#{user.userBean.userPassword}" />
<h:commandButton id="save" action="#{userBean.save}" value="Save" />
</h:form>
</f:view>
</body>
</html>

***************UserBean.java************
package view.bean.user;

import model.businessobject.User;
import model.service.UserService;

public class UserBean {

private User user=new User();
private UserService userService;
long id;
String userName;
String userPassword;

public String sava(){
userService.saveUser(user);
return "success";
}
public User getUser() {
return user;
}
public void setUser(User user) {
this.user = user;
}
public UserService getUserService() {
return userService;
}
public void setUserService(UserService userService) {
this.userService = userService;
}
public long getId() {
return id;
}
public void setId(long id) {
this.id =id;
}
public String getUserName() {
return userName;
}
public void setUserName(String userName) {
this.userName = userName;
}
public String getUserPassword() {
return userPassword;
}
public void setUserPassword(String userPassword) {
this.userPassword = userPassword;
}
}

**************faces-config.xml*************

<faces-config>

<application>
<variable-resolver>
org.springframework.web.jsf.DelegatingVariableReso lver
</variable-resolver>
</application>

<navigation-rule>
<from-view-id>/login.jsp</from-view-id>
<navigation-case>
<from-outcome>success</from-outcome>
<to-view-id>/successLogin.jsp</to-view-id>
</navigation-case>
</navigation-rule>
<managed-bean>
<managed-bean-name>userBean</managed-bean-name>
<managed-bean-class>view.bean.user.UserBean</managed-bean-class>
<managed-bean-scope>session</managed-bean-scope>
</managed-bean>

</faces-config>

**************applicationContext.xml************

<beans>
<!-- DataSource Definition -->
<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource">
<property name="driverClassName" value="org.postgresql.Driver"/>
<property name="url" value="jdbc:postgresql://127.0.0.1:5432/db"/>
<property name="username" value="aa"/>
<property name="password" value="bb"/>
</bean>

<!-- Hibernate SessionFactory Definition -->
<bean id="sessionFactory" class="org.springframework.orm.hibernate3.LocalSes sionFactoryBean">
<!-- <property name="dataSource" ref="myDataSource"/>-->
<property name="mappingResources">
<list>
<value>model/businessobject/User.hbm.xml</value>
</list>
</property>

<property name="hibernateProperties">
<props>
<prop key="hibernate.dialect">org.hibernate.dialect.Post greSQLDialect</prop>
</props>
</property>

<property name="dataSource">
<ref bean="dataSource"/>
</property>
</bean>

<!-- Hibernate Template Definition -->
<bean id="hibernateTemplate" class="org.springframework.orm.hibernate3.Hibernat eTemplate">
<property name="sessionFactory">
<ref bean="sessionFactory"/>
</property>
</bean>

<!-- User Dao Definition: Hibernate implementation -->
<bean id="userDao" class="model.dao.hibernate.UserDaoHibernateImpl">
<property name="hibernateTemplate">
<ref bean="hibernateTemplate"/>
</property>
</bean>

<!-- Start of Service Definitions -->

<!-- Hibernate Transaction Manager Definition -->
<bean id="transactionManager" class="org.springframework.orm.hibernate3.Hibernat eTransactionManager">
<property name="sessionFactory">
<ref local="sessionFactory"/>
</property>
</bean>

<!-- User Service Definition -->
<bean id="userServiceTarget" class="model.service.impl.UserServiceImpl">
<property name="userDao">
<ref local="userDao"/>
</property>
</bean>

<bean id="hibernateInterceptor" class="org.springframework.orm.hibernate3.Hibernat eInterceptor">
<property name="sessionFactory">
<ref bean="sessionFactory"/>
</property>
</bean>

<!-- Transactional proxy for the Service classes -->
<bean id="userService" class="org.springframework.transaction.interceptor .TransactionProxyFactoryBean">
<property name="transactionManager">
<ref local="transactionManager"/>
</property>
<property name="target">
<ref local="userServiceTarget"/>
</property>
<property name="transactionAttributes">
<props>
<prop key="get*">PROPAGATION_REQUIRED,readOnly</prop>
<prop key="save*">PROPAGATION_REQUIRED</prop>
<prop key="update*">PROPAGATION_REQUIRED</prop>
<prop key="delete*">PROPAGATION_REQUIRED</prop>
</props>
</property>
</bean>
</beans>

***************web.xml***************

<listener>
<listener-class>
org.springframework.web.context.ContextLoaderListe ner
</listener-class>
</listener>
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>/WEB-INF/applicationContext.xml</param-value>
</context-param>

<context-param>
<param-name>javax.faces.STATE_SAVING_METHOD</param-name>
<param-value>server</param-value>
</context-param>

<context-param>
<param-name>javax.faces.CONFIG_FILES</param-name>
<param-value>/WEB-INF/faces-config.xml</param-value>
</context-param>

<listener>
<listener-class>com.sun.faces.config.ConfigureListener</listener-class>
</listener>

<!-- Faces Servlet -->
<servlet>
<servlet-name>javax.faces.FacesServlet</servlet-name>
<!-- <servlet-name>Faces Servlet</servlet-name>-->
<servlet-class>javax.faces.webapp.FacesServlet</servlet-class>
<load-on-startup> 1 </load-on-startup>
</servlet>

<!-- Faces Servlet Mapping -->
<servlet-mapping>
<servlet-name>javax.faces.FacesServlet</servlet-name>
<!-- <servlet-name>Faces Servlet</servlet-name>-->
<url-pattern>*.jsf</url-pattern>
</servlet-mapping>

</web-app>

*****************User.java************
package model.businessobject;

public class User {
public long id;
public String userName;
public String userPassword;

public long getId() {
return id;
}
public void setId(long id) {
this.id = id;
}
public String getUserPassword() {
return userPassword;
}
public void setUserPassword(String userPassword) {
this.userPassword = userPassword;
}
public String getUserName() {
return userName;
}
public void setUserName(String userName) {
this.userName = userName;
}
}
*****************User.hbm.xml**************
<!--<?xml version="1.0"?>-->
<!DOCTYPE hibernate-mapping PUBLIC
"-//Hibernate/Hibernate Mapping DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">

<hibernate-mapping>
<class name="model.businessobject.User" table="USER">
<id name="id" type="long" column="ID" >
<generator class="assigned"/>
</id>

<property name="userName">
<column name="USERNAME" />
</property>
<property name="userPassword">
<column name="USERPASSWORD"/>
</property>
</class>
</hibernate-mapping>
****************UserService.java***********
package model.service;

import model.businessobject.User;

public interface UserService {
public void saveUser(User user);
}
*************UserServiceImpl.java********
package model.service.impl;

import model.businessobject.User;
import model.dao.UserDao;
import model.service.UserService;

public class UserServiceImpl implements UserService {
private UserDao userDao;
public void saveUser(User user){
userDao.save(user);
}
public UserDao getUserDao(){
return userDao;
}
public void setUserDao(UserDao userDao)
{
this.userDao=userDao;
}
}
*************UserDao.java**********
package model.dao;

import model.businessobject.User;

public interface UserDao {
public void save(User user);
}
***************UserDaoHibernateImpl.java**********
package model.dao.hibernate;
import org.springframework.orm.hibernate3.support.Hiberna teDaoSupport;

import model.businessobject.User;
import model.dao.*;

public class UserDaoHibernateImpl extends HibernateDaoSupport implements UserDao{

public void save(User user) {
getHibernateTemplate().save(user);

}
}

*******
Error is
*******
javax.servlet.ServletException: Error testing property 'id' in bean of type null
javax.faces.webapp.FacesServlet.service(FacesServl et.java:209)
org.jboss.web.tomcat.filters.ReplyHeaderFilter.doF ilter(ReplyHeaderFilter.java:81)
root cause
javax.faces.el.PropertyNotFoundException: Error testing property 'id' in bean of type null